Specification Sheet

Air
Refrigerant Line Size Information
RPRL Series
18
(-)PRL
Standard Line
Connection
Size
(Inch I.D.) [mm]
Line Size
(Inch O.D.)
[mm]
Liquid Line Size
Outdoor Unit Above or Below Indoor Coil
Total Equivalent Length—Feet [m]
25 [7.62] 50 [15.24] 75 [22.86] 100 [30.48] 125 [38.10] 150 [45.72]
Maximum Vertical Separation—Feet [m]
-025 3/8 [9.53]
1/4" [6.35] 25 [7.62] N/A N/A N/A N/A N/A
5/16" [7.93] 25 [7.62] 36 [10.97] 33 [10.06] 28 [8.53] 22 [6.71] 16 [4.88]
3/8" [9.52] 25 [7.62] 41 [12.50] 40 [12.19] 39 [11.89] 37 [11.28] 36 [10.97]
-037 3/8 [9.53]
5/16" [7.93] 25 [7.62] 22 [6.71] 9 [2.74] N/A N/A N/A
3/8" [9.52] 25 [7.62] 39 [11.89] 34 [10.36] 30 [9.14] 25 [7.62] 21 [6.40]
1/2" [12.70] 25 [7.62] 46 [14.02] 45 [13.72] 44 [13.41] 43 [13.11] 42 [12.80]
-049 3/8 [9.53]
5/16" [7.93] 25 [7.62] 17 [5.18] N/A N/A N/A N/A
3/8" [9.52] 25 [7.62] 47 [14.33] 39 [11.89] 31 [9.45] 23 [7.01] 16 [4.88]
1/2" [12.70] 25 [7.62] 50 [15.24] 58 [17.68] 56 [17.07] 54 [16.46] 53 [16.15]
-061 3/8 [9.53]
3/8" [9.52] 25 [7.62] 18 [5.49] 11 [3.35] N/A N/A N/A
1/2" [12.70] 25 [7.62] 29 [8.84] 27 [8.23] 26 [7.93] 7.62 23 [7.01]
Heat Pump Refrigerant Line Size Information
R-410A
System
Capacity
Model
Line Size
Connection Size
(Inch I.D.) [mm]
Line Size
(Inch O.D.)
[mm]
Suction Line Size
Outdoor Unit ABOVE Indoor Coil
Total Line Length—Feet [m]
25 [7.62] 50 [15.24] 75 [22.86] 100 [30.48] 125 [38.10] 150 [45.72]
-025 3/4 [19.05]
5/8" [15.88] Refer to Liquid Line Table for vertical Separation
3/4" [19.05] Not allowed for any length
7/8" [22.23] Not allowed for any length
-037 3/4 [19.05]
5/8" [15.88] Refer to Liquid Line Table for vertical Separation
3/4" [19.05] Not allowed for any length
7/8" [22.23] Not allowed for any length
-049 7/8 [22.22]
5/8" [15.88] Refer to Liquid Line Table for vertical Separation
3/4" [19.05] Refer to Liquid Line Table for vertical Separation
7/8" [22.23] Refer to Liquid Line Table for vertical Separation
-061 7/8 [22.22]
3/4" [19.05] Refer to Liquid Line Table for vertical Separation
7/8" [22.23] Refer to Liquid Line Table for vertical Separation
1-1/8" [28.58] Not allowed for any length
NOTES: Using suction line larger than shown in chart will result in poor oil return and is not recommended. N/A = Application not recommended.
*Standard line size.
R-410A
System
Capacity
Model
Line Size
Connection Size
(Inch I.D.) [mm]
Line Size
(Inch O.D.)
[mm]
Suction Line Size
Outdoor Unit BELOW Indoor Coil
Total Line Length—Feet [m]
25 [7.62] 50 [15.24] 75 [22.86] 100 [30.48] 125 [38.10] 150 [45.72]
-025 3/4 [19.05]
5/8" [15.88] Refer to Liquid Line Table for vertical Separation
3/4" [19.05] Refer to L.L table Not allowed for any length
7/8" [22.23] Not allowed for any length
-037 3/4 [19.05]
5/8" [15.88] Refer to Liquid Line Table for vertical Separation
3/4" [19.05] Not allowed for any length
7/8" [22.23] Not allowed for any length
-049 7/8 [22.22]
5/8" [15.88] Refer to Liquid Line Table for vertical Separation
3/4" [19.05] Refer to Liquid Line Table for vertical Separation
7/8" [22.23] Refer to Liquid Line Table for vertical Separation
-061 7/8 [22.22]
3/4" [19.05] Refer to Liquid Line Table for vertical Separation
7/8" [22.23] Refer to Liquid Line Table for vertical Separation
1-1/8" [28.58] Not allowed for any length
NOTES: Using suction line larger than shown in chart will result in poor oil return and is not recommended. N/A = Application not recommended.
*Standard line size. [ ] Designates Metric Conversions
NOTES: N/A = Application not recommended.
*Standard line size.